Here is the full list of all 35 SCP: Secret Laboratory achievements.
Survive a successful Alpha Warhead Detonation.
Broadcast a 'helpful' message via the Intercom.
Respawn as Nine-Tailed Fox.
Pick up an O5-Keycard.
Escape as D-Class personnel.
Respawn as Chaos Insurgency.
Liberate two or more SCP objects from the facility while escaping as a Class-D.
Cure 10 people in a single game.
Die while entering a rage as SCP-096.
Die inside the pocket dimension.
Let SCP-173 snap your neck.
As Class-D, kill a Scientist holding a keycard.
Die from a Tesla Gate burst.
As a Scientist, successfully upgrade your keycard alongside any amount of Class-D.
Escape as a Scientist.
Kill yourself with a grenade.
Successfully escape from the Pocket Dimension.
Kill 5 enemies in less than 30 seconds.
Successfully re-contain SCP-106
Disarm a MTF operative
Find any gun as a Class-D.
Kill 50 D-Class as a Scientist.
Cancel the Alpha Warhead detonation within the last 15 seconds of the countdown.
Kill an SCP as a Scientist.
Die from a fall.
Die within the first minute of the game.
Kill an SCP with the Micro HID.
Play the Halloween version of the game.
Play the Christmas version of the game.
Escape the facility in 3 minutes or under.
Escape while under the effects of SCP-207.
Use SCP-500 when you're about to die.
Use adrenaline to survive a hit that would otherwise kill you.
As an SCP, kill someone who's charging or firing the MicroHID.
Try to recharge the MicroHID.